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CVE-2026-53147 In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Validate XDomain request packet size…

Description

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Validate XDomain request packet size before type cast tb_xdp_handle_request() casts the received packet buffer to protocol-specific structs without verifying that the allocation is large enough for the target type. A peer can send a minimal XDomain packet that passes the generic header length check but is shorter than the struct accessed after the cast, causing out-of- bounds reads from the kmemdup allocation. Plumb the packet length through xdomain_request_work and validate it against the expected struct size before each cast.

Produits et versions touchés

Produit Versions touchées Corrigé en
Linux 7.1 premières → < 7.1 7.1
Linux 7.0 premières → < 7.0.13 7.0.13
Linux 6.18 premières → < 6.18.36 6.18.36
Linux 6.12 premières → < 6.12.94 6.12.94
Linux 6.6 premières → < 6.6.143 6.6.143
Linux 6.1 premières → < 6.1.176 6.1.176
Linux 4.15 Pas de correctif indiqué
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Versions non publiées

Références

Chronologie

  1. Publiée
  2. Dernière modification

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